The crystals are very sharp and bright, which is not so common with the Peruvian samples of Enargite. They are with small crystals of Fluorite and on a metallic matrix rich with Pyrite.
Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department Peru
Specimen size: 6.6 × 5.8 × 3.9 cm = 2.6” × 2.3” × 1.5”

An excellent cluster of crystals, very representative both for the species and the locality, A classic of the American mineralogy. With small crystals of Pyrite and on matrix.Ex Folch collection whose autographed label we'll send to the buyer with the Silvane collection label.
Butte, Butte District, Silver Bow County, Montana USA (±1948)
Specimen size: 6 × 3.5 × 4.5 cm = 2.4” × 1.4” × 1.8”